public class IOTest {
    static public void main(String [] args) {
        int a = 10;

        System.out.println("a = #" + a + "#");
        System.out.printf("a = #%#x#, #%10d#, #%010d#, #%-10d#\n", a, a, a, a);
        System.out.printf("%f, #%.2f#, #%10.3f#\n", 567.2357,
                          6.778899, 23.355556);

    }
}
